US8061455B2 - Drill bit with adjustable cutters - Google Patents
Drill bit with adjustable cutters Download PDFInfo
- Publication number
- US8061455B2 US8061455B2 US12/393,889 US39388909A US8061455B2 US 8061455 B2 US8061455 B2 US 8061455B2 US 39388909 A US39388909 A US 39388909A US 8061455 B2 US8061455 B2 US 8061455B2
- Authority
- US
- United States
- Prior art keywords
- drill bit
- cutter
- section
- cutting element
- cutters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
- 238000005520 cutting process Methods 0.000 claims description 47
- 238000005553 drilling Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 12
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 241000223602 Alternaria alternata Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Abstract
Description
Claims (20)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/393,889 US8061455B2 (en) | 2009-02-26 | 2009-02-26 | Drill bit with adjustable cutters |
BRPI1008480A BRPI1008480B1 (en) | 2009-02-26 | 2010-02-23 | drill bit, apparatus for use in a wellbore, method of drilling a drill and method of drilling a wellbore |
PCT/US2010/024971 WO2010099075A1 (en) | 2009-02-26 | 2010-02-23 | Drill bit with adjustable cutters |
RU2011139175/03A RU2537458C2 (en) | 2009-02-26 | 2010-02-23 | Drill bit with adjustable cutters |
EP10746688.0A EP2401467A4 (en) | 2009-02-26 | 2010-02-23 | Drill bit with adjustable cutters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/393,889 US8061455B2 (en) | 2009-02-26 | 2009-02-26 | Drill bit with adjustable cutters |
Publications (2)
Publication Number | Publication Date |
---|---|
US20100212964A1 US20100212964A1 (en) | 2010-08-26 |
US8061455B2 true US8061455B2 (en) | 2011-11-22 |
Family
ID=42629964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/393,889 Active 2029-09-10 US8061455B2 (en) | 2009-02-26 | 2009-02-26 | Drill bit with adjustable cutters |
Country Status (5)
Country | Link |
---|---|
US (1) | US8061455B2 (en) |
EP (1) | EP2401467A4 (en) |
BR (1) | BRPI1008480B1 (en) |
RU (1) | RU2537458C2 (en) |
WO (1) | WO2010099075A1 (en) |
Cited By (18)
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---|---|---|---|---|
US20130199857A1 (en) * | 2012-02-03 | 2013-08-08 | Baker Hughes Incorporated | Cutting element retention for high exposure cutting elements on earth-boring tools |
US20140311801A1 (en) * | 2013-04-17 | 2014-10-23 | Baker Hughes Incorporated | Drill Bit with Self-Adjusting Pads |
US20140332283A1 (en) * | 2013-05-13 | 2014-11-13 | Baker Hughes Incorporated | Earth-boring tools including movable cutting elements and related methods |
US9279294B1 (en) * | 2009-03-17 | 2016-03-08 | Us Synthetic Corporation | Drill bit having rotational cutting elements and method of drilling |
US9663995B2 (en) | 2013-04-17 | 2017-05-30 | Baker Hughes Incorporated | Drill bit with self-adjusting gage pads |
US9708859B2 (en) | 2013-04-17 | 2017-07-18 | Baker Hughes Incorporated | Drill bit with self-adjusting pads |
US9759014B2 (en) | 2013-05-13 | 2017-09-12 | Baker Hughes Incorporated | Earth-boring tools including movable formation-engaging structures and related methods |
US10041305B2 (en) | 2015-09-11 | 2018-08-07 | Baker Hughes Incorporated | Actively controlled self-adjusting bits and related systems and methods |
US10119338B2 (en) | 2013-12-11 | 2018-11-06 | Halliburton Energy Services, Inc. | Controlled blade flex for fixed cutter drill bits |
US20190032414A1 (en) * | 2017-07-28 | 2019-01-31 | Baker Hughes, A Ge Company, Llc | Earth-boring tools utilizing asymmetric exposure of shaped inserts, and related methods |
US10273759B2 (en) | 2015-12-17 | 2019-04-30 | Baker Hughes Incorporated | Self-adjusting earth-boring tools and related systems and methods |
US10633929B2 (en) | 2017-07-28 | 2020-04-28 | Baker Hughes, A Ge Company, Llc | Self-adjusting earth-boring tools and related systems |
US10907418B2 (en) | 2014-07-31 | 2021-02-02 | Halliburton Energy Services, Inc. | Force self-balanced drill bit |
US10907412B2 (en) | 2016-03-31 | 2021-02-02 | Schlumberger Technology Corporation | Equipment string communication and steering |
EP3792448A1 (en) | 2019-09-11 | 2021-03-17 | VAREL EUROPE (Société par Actions Simplifiée) | Drill bit with multiple cutting structures |
US11692402B2 (en) | 2021-10-20 | 2023-07-04 | Halliburton Energy Services, Inc. | Depth of cut control activation system |
US11788362B2 (en) | 2021-12-15 | 2023-10-17 | Halliburton Energy Services, Inc. | Piston-based backup assembly for drill bit |
US11795763B2 (en) | 2020-06-11 | 2023-10-24 | Schlumberger Technology Corporation | Downhole tools having radially extendable elements |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9915138B2 (en) | 2008-09-25 | 2018-03-13 | Baker Hughes, A Ge Company, Llc | Drill bit with hydraulically adjustable axial pad for controlling torsional fluctuations |
WO2012149120A2 (en) | 2011-04-26 | 2012-11-01 | Smith International, Inc. | Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) |
US9080399B2 (en) * | 2011-06-14 | 2015-07-14 | Baker Hughes Incorporated | Earth-boring tools including retractable pads, cartridges including retractable pads for such tools, and related methods |
WO2013180822A2 (en) * | 2012-05-30 | 2013-12-05 | Tellus Oilfield, Inc. | Drilling system, biasing mechanism and method for directionally drilling a borehole |
IN2014DN10334A (en) * | 2012-06-06 | 2015-08-07 | Baker Hughes Inc | |
US10329863B2 (en) * | 2013-08-06 | 2019-06-25 | A&O Technologies LLC | Automatic driller |
MX359928B (en) * | 2014-04-29 | 2018-10-16 | Halliburton Energy Services Inc | Tool face control of a downhole tool with reduced drill string friction. |
WO2016140663A1 (en) * | 2015-03-04 | 2016-09-09 | Halliburton Energy Services, Inc. | Hydraulic adjustment of drill bit elements |
US10472897B2 (en) | 2015-03-25 | 2019-11-12 | Halliburton Energy Services, Inc. | Adjustable depth of cut control for a downhole drilling tool |
CN105156035B (en) * | 2015-08-24 | 2017-03-29 | 长江大学 | A kind of oscillating tooth PDC drill bit |
ITUB20154122A1 (en) * | 2015-10-01 | 2017-04-01 | Thermodyn Sas | AUXILIARY SYSTEM TO SUPPORT A TREE OF A TURBOMACH AND TURBOMACCHINE EQUIPPED WITH THIS SYSTEM |
US10214968B2 (en) * | 2015-12-02 | 2019-02-26 | Baker Hughes Incorporated | Earth-boring tools including selectively actuatable cutting elements and related methods |
US10066444B2 (en) | 2015-12-02 | 2018-09-04 | Baker Hughes Incorporated | Earth-boring tools including selectively actuatable cutting elements and related methods |
RU2738434C2 (en) * | 2015-12-17 | 2020-12-14 | Бейкер Хьюз, Э Джии Компани, Ллк | Instruments for drilling of earth surface, containing passively controlled elements for change of aggressiveness, and related methods |
WO2017146716A1 (en) | 2016-02-26 | 2017-08-31 | Halliburton Energy Services, Inc. | Hybrid drill bit with axially adjustable counter-rotation cutters in center |
CN105604491B (en) * | 2016-03-16 | 2018-01-23 | 成都迪普金刚石钻头有限责任公司 | A kind of PDC cutting tooths based on shock-damping structure |
CA3034511A1 (en) * | 2016-10-05 | 2018-04-12 | Halliburton Energy Services, Inc. | Rolling element assembly with a compliant retainer |
US10494876B2 (en) | 2017-08-03 | 2019-12-03 | Baker Hughes, A Ge Company, Llc | Earth-boring tools including rotatable bearing elements and related methods |
US11111730B2 (en) | 2017-08-04 | 2021-09-07 | Halliburton Energy Services, Inc. | Downhole adjustable drill bits |
US10954772B2 (en) * | 2017-09-14 | 2021-03-23 | Baker Hughes, A Ge Company, Llc | Automated optimization of downhole tools during underreaming while drilling operations |
US10724304B2 (en) * | 2017-11-13 | 2020-07-28 | Baker Hughes, A Ge Company, Llc | Cutting element assemblies and downhole tools comprising rotatable and removable cutting elements and related methods |
WO2019152057A1 (en) * | 2018-02-05 | 2019-08-08 | Halliburton Energy Services, Inc. | Compliant rolling element retainer |
CN108661562A (en) * | 2018-04-20 | 2018-10-16 | 中国石油大学(北京) | Hydraulic self-adapting drill bit |
KR102201173B1 (en) * | 2018-11-20 | 2021-01-13 | 한국생산기술연구원 | Machining device for controlling tool position considering tool wear and method for controlling tool position using the same |
CN110331940B (en) * | 2019-06-04 | 2020-12-15 | 天津立林钻头有限公司 | Anti-hammering drill bit for polycrystalline diamond |
US11702891B2 (en) * | 2020-11-21 | 2023-07-18 | Cnpc Usa Corporation | Force modulation system with an elastic force member for downhole conditions |
US11499377B2 (en) * | 2020-11-21 | 2022-11-15 | Cnpc Usa Corporation | Force modulation system for a drill bit |
US11499378B2 (en) * | 2020-11-21 | 2022-11-15 | Cnpc Usa Corporation | Blade cap force modulation system for a drill bit |
CN115637933A (en) * | 2021-07-19 | 2023-01-24 | 中国石油天然气集团有限公司 | Force modulation system with resilient force member for downhole conditions |
CN113882810A (en) * | 2021-07-27 | 2022-01-04 | 中国石油天然气集团有限公司 | PDC drill bit that adapts to stratum |
Citations (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1978006A (en) * | 1932-01-08 | 1934-10-23 | Globe Oil Tools Co | Bit |
US3548960A (en) * | 1969-07-10 | 1970-12-22 | Gulf Research Development Co | Drill bit having rotating stand-off elements |
DE2352464A1 (en) | 1973-10-19 | 1975-04-24 | Bernd Dipl Ing Scheffel | Retractable propeller for glider - with direct universal joint to ensure two bladed propeller is accurately located in fuselage |
US4086698A (en) | 1977-02-28 | 1978-05-02 | Macfield Texturing, Inc. | Safety guard for the blade of carton openers |
US4185704A (en) | 1978-05-03 | 1980-01-29 | Maurer Engineering Inc. | Directional drilling apparatus |
GB2039567A (en) | 1979-01-16 | 1980-08-13 | Intorola Ltd | Drill spring for use in borehole drilling |
GB2050466A (en) | 1979-06-04 | 1981-01-07 | Intorala Ltd | Drilling jar |
US4262758A (en) | 1978-07-27 | 1981-04-21 | Evans Robert F | Borehole angle control by gage corner removal from mechanical devices associated with drill bit and drill string |
US4291773A (en) | 1978-07-27 | 1981-09-29 | Evans Robert F | Strictive material deflectable collar for use in borehole angle control |
US4416339A (en) | 1982-01-21 | 1983-11-22 | Baker Royce E | Bit guidance device and method |
US4638873A (en) | 1984-05-23 | 1987-01-27 | Welborn Austin E | Direction and angle maintenance tool and method for adjusting and maintaining the angle of deviation of a directionally drilled borehole |
US4730681A (en) | 1986-08-29 | 1988-03-15 | Rock Bit Industries U.S.A., Inc. | Rock bit cone lock and method |
US4842083A (en) * | 1986-01-22 | 1989-06-27 | Raney Richard C | Drill bit stabilizer |
US5158109A (en) | 1989-04-18 | 1992-10-27 | Hare Sr Nicholas S | Electro-rheological valve |
US5220963A (en) | 1989-12-22 | 1993-06-22 | Patton Consulting, Inc. | System for controlled drilling of boreholes along planned profile |
US5293945A (en) | 1991-11-27 | 1994-03-15 | Baroid Technology, Inc. | Downhole adjustable stabilizer |
US5361859A (en) | 1993-02-12 | 1994-11-08 | Baker Hughes Incorporated | Expandable gage bit for drilling and method of drilling |
US5419405A (en) | 1989-12-22 | 1995-05-30 | Patton Consulting | System for controlled drilling of boreholes along planned profile |
US5443565A (en) | 1994-07-11 | 1995-08-22 | Strange, Jr.; William S. | Drill bit with forward sweep cutting elements |
US5467834A (en) | 1994-08-08 | 1995-11-21 | Maverick Tool Company | Method and apparatus for short radius drilling of curved boreholes |
US5553678A (en) | 1991-08-30 | 1996-09-10 | Camco International Inc. | Modulated bias units for steerable rotary drilling systems |
US5671816A (en) | 1993-09-03 | 1997-09-30 | Baker Hughes Incorporated | Swivel/tilting bit crown for earth-boring drills |
US5678645A (en) * | 1995-11-13 | 1997-10-21 | Baker Hughes Incorporated | Mechanically locked cutters and nozzles |
EP0874128A2 (en) | 1997-04-26 | 1998-10-28 | Camco International (UK) Limited | Rotary drill bit having movable formation-engaging members |
US5941321A (en) | 1998-07-27 | 1999-08-24 | Hughes; W. James | Method and apparatus for drilling a planar curved borehole |
US6012536A (en) | 1996-02-27 | 2000-01-11 | Tracto-Technik Schmidt Spezialmaschinen | Method for steering a ground-drilling machine |
EP1008717A1 (en) | 1998-12-11 | 2000-06-14 | Schlumberger Holdings Limited | Rotary steerable well drilling system utilizing sliding sleeve |
US6092610A (en) | 1998-02-05 | 2000-07-25 | Schlumberger Technology Corporation | Actively controlled rotary steerable system and method for drilling wells |
WO2000043628A2 (en) | 1999-01-25 | 2000-07-27 | Baker Hughes Incorporated | Rotary-type earth drilling bit, modular gauge pads therefor and methods of testing or altering such drill bits |
US6138780A (en) | 1997-09-08 | 2000-10-31 | Baker Hughes Incorporated | Drag bit with steel shank and tandem gage pads |
US6173797B1 (en) | 1997-09-08 | 2001-01-16 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability |
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US6290007B2 (en) | 1997-09-08 | 2001-09-18 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability |
US6349780B1 (en) | 2000-08-11 | 2002-02-26 | Baker Hughes Incorporated | Drill bit with selectively-aggressive gage pads |
US20020088648A1 (en) | 1997-01-30 | 2002-07-11 | Baker Hughes Incorporated | Drilling assembly with a steering device for coiled -tubing operations |
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US6945338B1 (en) | 1994-02-04 | 2005-09-20 | Baroid Technology, Inc. | Drilling bit assembly and apparatus |
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US20080000693A1 (en) | 2005-02-11 | 2008-01-03 | Richard Hutton | Steerable rotary directional drilling tool for drilling boreholes |
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US20080127781A1 (en) | 2005-04-14 | 2008-06-05 | Ladi Ram L | Matrix drill bits and method of manufacture |
Family Cites Families (8)
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US2819043A (en) * | 1955-06-13 | 1958-01-07 | Homer I Henderson | Combination drilling bit |
SU876947A1 (en) * | 1978-06-01 | 1981-10-30 | Кузбасский Политехнический Институт | Combination rotary-bit and blade drilling tool |
SU945348A1 (en) * | 1980-10-15 | 1982-07-23 | За витель | Drill bit |
US4386669A (en) * | 1980-12-08 | 1983-06-07 | Evans Robert F | Drill bit with yielding support and force applying structure for abrasion cutting elements |
SU987071A1 (en) * | 1981-04-15 | 1983-01-07 | Харьковский Автомобильно-Дорожный Институт Им.Комсомола Украины | Rock-breaking tool |
GB0515394D0 (en) * | 2005-07-27 | 2005-08-31 | Schlumberger Holdings | Steerable drilling system |
US7621348B2 (en) * | 2006-10-02 | 2009-11-24 | Smith International, Inc. | Drag bits with dropping tendencies and methods for making the same |
US7836975B2 (en) * | 2007-10-24 | 2010-11-23 | Schlumberger Technology Corporation | Morphable bit |
-
2009
- 2009-02-26 US US12/393,889 patent/US8061455B2/en active Active
-
2010
- 2010-02-23 EP EP10746688.0A patent/EP2401467A4/en not_active Ceased
- 2010-02-23 WO PCT/US2010/024971 patent/WO2010099075A1/en active Application Filing
- 2010-02-23 RU RU2011139175/03A patent/RU2537458C2/en not_active IP Right Cessation
- 2010-02-23 BR BRPI1008480A patent/BRPI1008480B1/en active IP Right Grant
Patent Citations (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1978006A (en) * | 1932-01-08 | 1934-10-23 | Globe Oil Tools Co | Bit |
US3548960A (en) * | 1969-07-10 | 1970-12-22 | Gulf Research Development Co | Drill bit having rotating stand-off elements |
DE2352464A1 (en) | 1973-10-19 | 1975-04-24 | Bernd Dipl Ing Scheffel | Retractable propeller for glider - with direct universal joint to ensure two bladed propeller is accurately located in fuselage |
US4086698A (en) | 1977-02-28 | 1978-05-02 | Macfield Texturing, Inc. | Safety guard for the blade of carton openers |
US4185704A (en) | 1978-05-03 | 1980-01-29 | Maurer Engineering Inc. | Directional drilling apparatus |
US4291773A (en) | 1978-07-27 | 1981-09-29 | Evans Robert F | Strictive material deflectable collar for use in borehole angle control |
US4262758A (en) | 1978-07-27 | 1981-04-21 | Evans Robert F | Borehole angle control by gage corner removal from mechanical devices associated with drill bit and drill string |
GB2039567A (en) | 1979-01-16 | 1980-08-13 | Intorola Ltd | Drill spring for use in borehole drilling |
GB2050466A (en) | 1979-06-04 | 1981-01-07 | Intorala Ltd | Drilling jar |
US4416339A (en) | 1982-01-21 | 1983-11-22 | Baker Royce E | Bit guidance device and method |
US4638873A (en) | 1984-05-23 | 1987-01-27 | Welborn Austin E | Direction and angle maintenance tool and method for adjusting and maintaining the angle of deviation of a directionally drilled borehole |
US4842083A (en) * | 1986-01-22 | 1989-06-27 | Raney Richard C | Drill bit stabilizer |
US4730681A (en) | 1986-08-29 | 1988-03-15 | Rock Bit Industries U.S.A., Inc. | Rock bit cone lock and method |
US5158109A (en) | 1989-04-18 | 1992-10-27 | Hare Sr Nicholas S | Electro-rheological valve |
US5341886A (en) | 1989-12-22 | 1994-08-30 | Patton Bob J | System for controlled drilling of boreholes along planned profile |
US5220963A (en) | 1989-12-22 | 1993-06-22 | Patton Consulting, Inc. | System for controlled drilling of boreholes along planned profile |
US5419405A (en) | 1989-12-22 | 1995-05-30 | Patton Consulting | System for controlled drilling of boreholes along planned profile |
US5553678A (en) | 1991-08-30 | 1996-09-10 | Camco International Inc. | Modulated bias units for steerable rotary drilling systems |
US5293945A (en) | 1991-11-27 | 1994-03-15 | Baroid Technology, Inc. | Downhole adjustable stabilizer |
US5361859A (en) | 1993-02-12 | 1994-11-08 | Baker Hughes Incorporated | Expandable gage bit for drilling and method of drilling |
US5671816A (en) | 1993-09-03 | 1997-09-30 | Baker Hughes Incorporated | Swivel/tilting bit crown for earth-boring drills |
US6945338B1 (en) | 1994-02-04 | 2005-09-20 | Baroid Technology, Inc. | Drilling bit assembly and apparatus |
US5443565A (en) | 1994-07-11 | 1995-08-22 | Strange, Jr.; William S. | Drill bit with forward sweep cutting elements |
US5467834A (en) | 1994-08-08 | 1995-11-21 | Maverick Tool Company | Method and apparatus for short radius drilling of curved boreholes |
US5678645A (en) * | 1995-11-13 | 1997-10-21 | Baker Hughes Incorporated | Mechanically locked cutters and nozzles |
US6012536A (en) | 1996-02-27 | 2000-01-11 | Tracto-Technik Schmidt Spezialmaschinen | Method for steering a ground-drilling machine |
US20020088648A1 (en) | 1997-01-30 | 2002-07-11 | Baker Hughes Incorporated | Drilling assembly with a steering device for coiled -tubing operations |
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Also Published As
Publication number | Publication date |
---|---|
BRPI1008480A2 (en) | 2016-03-15 |
US20100212964A1 (en) | 2010-08-26 |
EP2401467A4 (en) | 2014-08-06 |
RU2537458C2 (en) | 2015-01-10 |
BRPI1008480B1 (en) | 2019-09-03 |
WO2010099075A1 (en) | 2010-09-02 |
EP2401467A1 (en) | 2012-01-04 |
RU2011139175A (en) | 2013-04-10 |
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